A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

Yu-Ling Lien; Ya Chi Change; Nien Tsu Chuang; Amitabha Datta; Shau Jiun Chen; Ching Han Hu; Wen Yen Huang; Chia Her Lin; Jui Hsien Huang

doi:10.1021/ic9016189

A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

Yu-Ling Lien, Ya Chi Change, Nien Tsu Chuang, Amitabha Datta, Shau Jiun Chen, Ching Han Hu, Wen Yen Huang, Chia Her Lin, Jui Hsien Huang

Chemistry (Twin Cities)

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Abstract

The new pyrrolyl-linked pincer-type ligand, [C₄H ₂NH(2-CH₂NH^tBu)(5-CH₂NMe ₂)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C₄H₂N(2-CH₂NH^tBu)(5- CH₂NMe₂)]AlH₂ (2), that has been generated from Me₃N.AlH₃ using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C₄H₂N(2-CH₂NH^tBu)(5-CH ₂NMe₂)]Al(PhCOCHCOPh)₂ (3) and [C ₄H₂N(2-CH₂NH^tBu)(5-CH ₂NMe₂)]Al(SCHNPh)₂ (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

Original language	English (US)
Pages (from-to)	136-143
Number of pages	8
Journal	Inorganic Chemistry
Volume	49
Issue number	1
DOIs	https://doi.org/10.1021/ic9016189
State	Published - Jan 4 2010

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title = "A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes",

abstract = "The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.",

author = "Yu-Ling Lien and Change, {Ya Chi} and Chuang, {Nien Tsu} and Amitabha Datta and Chen, {Shau Jiun} and Hu, {Ching Han} and Huang, {Wen Yen} and Lin, {Chia Her} and Huang, {Jui Hsien}",

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doi = "10.1021/ic9016189",

language = "English (US)",

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journal = "Inorganic Chemistry",

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T1 - A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

AU - Lien, Yu-Ling

AU - Change, Ya Chi

AU - Chuang, Nien Tsu

AU - Datta, Amitabha

AU - Chen, Shau Jiun

AU - Hu, Ching Han

AU - Huang, Wen Yen

AU - Lin, Chia Her

AU - Huang, Jui Hsien

PY - 2010/1/4

Y1 - 2010/1/4

N2 - The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

AB - The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

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JO - Inorganic Chemistry

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A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

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